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发明名称
Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers
摘要
申请公布号
DE3438395(C1)
申请公布日期
1986.04.10
申请号
DE19843438395
申请日期
1984.10.19
申请人
PETERSEN, ULRICH, DR.-ING. E.H. DIPL.-ING., 4000 DUESSELDORF, DE
发明人
PETERSEN, ULRICH, DR.-ING. E.H. DIPL.-ING., 4000 DUESSELDORF, DE
分类号
B21C37/06;B21B19/06;B21B19/08;B21B23/00;(IPC1-7):B21C37/06
主分类号
B21C37/06
代理机构
代理人
主权项
地址
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